diff options
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/evlist.c | 28 | ||||
| -rw-r--r-- | tools/perf/util/evlist.h | 1 |
2 files changed, 29 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 95b21fece2ce..030ae7f05e03 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -348,3 +348,31 @@ void perf_evlist__delete_maps(struct perf_evlist *evlist) evlist->cpus = NULL; evlist->threads = NULL; } + +int perf_evlist__set_filters(struct perf_evlist *evlist) +{ + const struct thread_map *threads = evlist->threads; + const struct cpu_map *cpus = evlist->cpus; + struct perf_evsel *evsel; + char *filter; + int thread; + int cpu; + int err; + int fd; + + list_for_each_entry(evsel, &evlist->entries, node) { + filter = evsel->filter; + if (!filter) + continue; + for (cpu = 0; cpu < cpus->nr; cpu++) { + for (thread = 0; thread < threads->nr; thread++) { + fd = FD(evsel, cpu, thread); + err = ioctl(fd, PERF_EVENT_IOC_SET_FILTER, filter); + if (err) + return err; + } + } + } + + return 0; +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index c9884056097c..b75805aeb7e4 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -60,5 +60,6 @@ static inline void perf_evlist__set_maps(struct perf_evlist *evlist, int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid, pid_t target_tid, const char *cpu_list); void perf_evlist__delete_maps(struct perf_evlist *evlist); +int perf_evlist__set_filters(struct perf_evlist *evlist); #endif /* __PERF_EVLIST_H */ |